Specifications Index

SIERRA & SILVERADO SPECIFICATIONS INDEX

System			Specification/Procedure
Air Conditioning
Service			REFRIGERANT SYSTEM CAPACITIES
Torque			Automatic System FASTENER TIGHTENING SPECIFICATIONS Manual System FASTENER TIGHTENING SPECIFICATIONS
Axle Nut/Hub Nut
Front			177 ft. lbs. (240 N.m)
Battery			BATTERY USAGE
Brakes
Bleeding Sequence			RR-LR-RF-LF. See HYDRAULIC BRAKE SYSTEM BLEEDING (MANUAL)
Disc Brakes
Service Specifications			DISC BRAKE COMPONENT SPECIFICATIONS
Torque			FASTENER TIGHTENING SPECIFICATIONS
Drum Brakes
Service Specifications			DRUM BRAKE COMPONENT SPECIFICATIONS
Torque			FASTENER TIGHTENING SPECIFICATIONS
Charging
Generator			GENERATOR USAGE
Torque			FASTENER TIGHTENING SPECIFICATIONS
Drive Belts
Adjustment			Serpentine Drive Belts Are Not Adjustable
Belt Routing			See illustrations under 4.3L DRIVE BELT REPLACEMENT , See illustrations under 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L DRIVE BELT REPLACEMENT - ACCESSORY and AIR CONDITIONING COMPRESSOR BELT REPLACEMENT See illustrations under 6.6L DRIVE BELT REPLACEMENT
Engine Cooling
General Service Specifications			NA
Radiator Cap Pressure			Specification is stamped on pressure cap
Thermostat R & I
4.3L, 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L & 6.6L			ENGINE COOLANT THERMOSTAT REPLACEMENT
Water Pump R & I
4.3L			WATER PUMP REPLACEMENT (LU3)
4.8L, 5.3L, 6.0L, 6.2L, or 7.0L			WATER PUMP REPLACEMENT (LY6, L76 AND L92) or WATER PUMP REPLACEMENT (LH6, LY2, LY5, AND LMG)
6.6L			WATER PUMP REPLACEMENT (LMM)
Engine Mechanical
4.3L
Compression			No cylinder should read less than 100 psi (690 kpa) No cylinder should be less than 70 percent of the highest cylinder ENGINE COMPRESSION TEST
Oil Pressure			Oil Pressure - at 1,000 RPM 6 psi (42 kPa) Oil Pressure - at 2,000 RPM 18 psi (125 kPa) Oil Pressure - at 4,000 RPM 24 psi (166 kPa)
Overhaul			ENGINE MECHANICAL SPECIFICATIONS
Torque			FASTENER TIGHTENING SPECIFICATIONS
4.8L, 5.3L, 6.0L, 6.2L, or 7.0L
Compression			No cylinder should read less than 100 psi (690 kpa) No cylinder should be less than 70 percent of the highest cylinder ENGINE COMPRESSION TEST
Oil Pressure			Oil Pressure - at 1,000 RPM 6 psi (42 kPa) Oil Pressure - at 2,000 RPM 18 psi (125 kPa) Oil Pressure - at 4,000 RPM 24 psi (166 kPa)
Overhaul			See appropriate application under ENGINE MECHANICAL SPECIFICATIONS
Torque			FASTENER TIGHTENING SPECIFICATIONS
6.6L
Compression			Minimum compression in any one cylinder is 300 psi (2069 kPa) ENGINE COMPRESSION TEST
Oil pressure			Oil Pressure - Minimum- Hot - at idle 14 psi (98 kPa) Oil Pressure - Minimum - 1800 RPM 42 psi (294 kPa)
Overhaul			ENGINE MECHANICAL SPECIFICATIONS
Torque			FASTENER TIGHTENING SPECIFICATIONS
Fluid Specifications			See FLUIDS under MAINTENANCE tab. From within Manager or Service Writer, click the "30/60/90 Interval" or "Maint." button.
Flywheel/Flex Plate/Drive PlateTorque
4.3L			74 ft lbs (100 N.m)
4.8L, 5.3L, 6.0L, 6.2L, or 7.0L
First Pass			15 ft lbs (20 N.m)
Second Pass			37 ft lbs (50 N.m)
Final Pass			74 ft lbs (100 N.m)
6.6L
First Pass			58 ft lbs (79 N.m)
Second Pass			+ an additional 60 degrees
Final Pass			+ an additional 60 degrees
Fuel System
Pressure Specification			4.3L 50-60 psi (345-414 kPa) 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 50-60 psi (345-414 kPa) 6.6L See Test Procedure below
Fuel Pressure Test Procedure			4.3L See Fuel Pressure Gage Installation and Removal and FUEL SYSTEM DIAGNOSIS 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L See Fuel Pressure Gage Installation and Removal and FUEL SYSTEM DIAGNOSIS (W/O FPCM) 6.6L FUEL SYSTEM DIAGNOSIS
Fuel Filter Location			4.3L The fuel filter is contained in the fuel sender assembly inside the fuel tank 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L The fuel filter is contained in the fuel sender/module assembly inside the fuel tank 6.6L The fuel filter is located on the rocker cover
Fuel Filter R & I
4.3L			4.3L See FUEL SENDER ASSEMBLY REPLACEMENT (REGULAR CAB W/34 GAL TANK) , FUEL SENDER ASSEMBLY REPLACEMENT (REGULAR CAB W/26 GAL TANK) or FUEL SENDER ASSEMBLY REPLACEMENT (EXTENDED CAB W/26 GAL TANK)
4.8L, 5.3L, 6.0L, 6.2L, or 7.0L			4.8L, 5.3L, 6.0L, 6.2L, or 7.0L See FUEL TANK FUEL PUMP MODULE REPLACEMENT (15 REG CAB W/26 GAL TANK) , FUEL TANK FUEL PUMP MODULE REPLACEMENT (15 EXT/CREW CAB W/26 GAL TANK) , FUEL TANK FUEL PUMP MODULE REPLACEMENT (25 EXT/CREW CAB W/26 GAL TANK) , FUEL TANK FUEL PUMP MODULE REPLACEMENT (15/25 REG/EXT/CREW CAB W/34 GAL TANK) or FUEL TANK FUEL PUMP MODULE REPLACEMENT (35 REG/EXT/CREW CAB W/34 GAL TANK)
6.6L			6.6L FUEL FILTER REPLACEMENT
Ignition
Firing Order & Cylinder Identification
4.3L			FIRING ORDER & CYLINDER IDENTIFICATION
4.8L, 5.3L, 6.0L, 6.2L, or 7.0L			FIRING ORDER & CYLINDER IDENTIFICATION
6.6L			FIRING ORDER & CYLINDER IDENTIFICATION
Ignition Wires (Resistance)			4.3L 1,200-1,500 ohms per ft 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 397-1,337 ohms 6.6 L NA
Ignition Wires (Routing)
4.3L			See illustrations under SPARK PLUG WIRE REPLACEMENT
4.8L, 5.3L, 6.0L, 6.2L, or 7.0L			Spark plugs wires route directly down from coil to spark plug
6.6L			NA
Spark Plug
4.3L (Refer To Electronic Parts Catalogue)
Gap			0.060 in (1.5 mm)
Torque			11 lb ft (15 N.m)
4.8L, 5.3L, 6.0L, 6.2L, or 7.0L (Refer To Electronic Parts Catalogue)
Gap			0.040 in (1.02 mm)
Torque			11 lb ft (15 N.m)
Starting
Starter			NA
Torque			FASTENER TIGHTENING SPECIFICATIONS
Wheel Alignment
Adjustment Specifications			WHEEL ALIGNMENT SPECIFICATIONS
Torque			FASTENER TIGHTENING SPECIFICATIONS
Wheel & Tire
Wheel Lug Nut Torque			140 ft. lbs. (190 N.m)